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Llama 3.1-405B

A reviewed catalog record from Meta, released July 23, 2024. This page reports only what named sources publish about this exact record, with receipts.

Open weights (restricted use)Open weightsLanguage

What the evidence says

Developer
Meta
Released
July 23, 2024
Domains
Language
Tasks
Language modeling/generation · Question answering · Code generation · Mathematical reasoning
Access
Open weights (restricted use)
Weights
Open weights

Common questions

What is Llama 3.1-405B?

Llama 3.1-405B is a Meta model released July 23, 2024, according to Epoch AI's reviewed catalog record. The record classifies it under language.

How does Llama 3.1-405B rank on LMArena?

No board Model Gauntlet mirrors currently lists this exact model revision under a reviewed identity, so no rating is reported here.

What does Llama 3.1-405B cost?

No reviewed source carries pricing for this record, so no price is reported here.